Finding the Fourth Proportional to 1,860.34, 2,567.25 and 1,021.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.34 : 2,567.25 = 1,021.05 : x
2. Step 2: Convert to fraction form
   1,860.34/2,567.25 = 1,021.05/x
3. Step 3: Cross multiply
   1,860.34x = 2,567.25 × 1,021.05
4. Step 4: Simplify right side
   1,860.34x = 2,621,290.61
5. Step 5: Solve for x
   x = 2,621,290.61/1,860.34
6. Step 6: Final answer
   x = 1,409.04